CVE-2020-6418

Google Chromium V8 Type Confusion Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Una confusión de tipos en V8 en Google Chrome versiones anteriores a 80.0.3987.122, permitió a un atacante remoto explotar potencialmente una corrupción de la pila por medio de una página HTML diseñada.

Chromium is an open-source web browser, powered by WebKit. This update upgrades Chromium to version 80.0.3987.122. Issues addressed include integer overflow, type confusion, and use-after-free vulnerabilities.

Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2020-01-08 CVE Reserved
2020-02-27 CVE Published
2020-03-05 First Exploit
2021-11-03 Exploited in Wild
2022-05-03 KEV Due Date
2025-01-29 CVE Updated
2025-03-31 EPSS Updated

CWE

CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

CAPEC

References (19)

URL	Tag	Source
https://bugs.chromium.org/p/chromium/issues/detail?id=1053604
https://blog.exodusintel.com/2020/02/24/a-eulogy-for-patch-gapping
https://ray-cp.github.io/archivers/browser-pwn-cve-2020-6418%E6%BC%8F%E6%B4%9E%E5%88%86%E6%9E%90

URL	Date	SRC
https://packetstorm.news/files/id/156632	2020-03-05
https://www.exploit-db.com/exploits/48186	2020-03-09
https://github.com/ChoKyuWon/CVE-2020-6418	2020-03-08
https://github.com/Goyotan/CVE-2020-6418-PoC	2020-06-13
https://github.com/SivaPriyaRanganatha/CVE-2020-6418	2022-03-23
https://github.com/ulexec/ChromeSHELFLoader	2022-11-09
http://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html	2025-01-29
https://crbug.com/1053604	2025-01-29

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2020:0738	2024-07-25
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html	2024-07-25
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57	2024-07-25
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP	2024-07-25
https://security.gentoo.org/glsa/202003-08	2024-07-25
https://www.debian.org/security/2020/dsa-4638	2024-07-25
https://access.redhat.com/security/cve/CVE-2020-6418	2020-03-09
https://bugzilla.redhat.com/show_bug.cgi?id=1807343	2020-03-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				< 80.0.3987.122 Search vendor "Google" for product "Chrome" and version " < 80.0.3987.122"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				31 Search vendor "Fedoraproject" for product "Fedora" and version "31"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				6.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected